This standard relates to 15 A rewirable plugs and switched socket-outlets, which contain a switch connected between the current carrying contact(s) of the socket-outlet and the relevant supply terminal(s), for use in a.c. circuits only.\nRequirements are specified for 15A shuttered switched socket-outlets, for flush or surface mounting in suitable boxes complying with BS 4662.\nIn general, the provisions of this standard shall apply to plugs when wired with appropriate flexible cords or cables, and to socket-outlets installed. When the term socket-outlet appears, it refers to switched shuttered socket-outlet.